Hi,
I can optimise your website. Can you please let me know whether it's hosted on shared hosting or VPS/dedicated server? Shared hosting is restricted in terms of what can be done to optimise the site, there are a lot more possibilities on VPS/dedicated server.
Can you send me the URL, so I can check whether gzip compression is used and CSS and JavaScript are minimised?
Please check my reviews, I have done similar jobs in the past.
Regards,